{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["machine or equipment", "manufacturing standard", "biomedical", "application", "machanical property", "process parameter"], "input": "Here , wire arc additive manufacturing ( WAAM ) process was used to fabricate a steel-nickel structural component , whose average tensile strength of 634 MPa significantly exceeded that of feedstock materials ( steel , 537 MPa and nickel , 455 MPa ) , which has not been reported previously ."}
{"machine or equipment": [], "manufacturing standard": [], "biomedical": [], "application": [], "machanical property": ["strength"], "process parameter": []}